Home / 11,570.15-17,355.29-2,805.07

Finding the Fourth Proportional to 11,570.15, 17,355.29 and 2,805.07

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Solution

The fourth proportional to 11,570.15, 17,355.29 and 2,805.07 is: 4,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.15 : 17,355.29 = 2,805.07 : x
  2. Step 2: Convert to fraction form
    11,570.15/17,355.29 = 2,805.07/x
  3. Step 3: Cross multiply
    11,570.15x = 17,355.29 × 2,805.07
  4. Step 4: Simplify right side
    11,570.15x = 48,682,724.21
  5. Step 5: Solve for x
    x = 48,682,724.21/11,570.15
  6. Step 6: Final answer
    x = 4,207.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.